You can cover your house with any roofing covering. Everything depends on your taste and possibilities. The design of a laft house suggests the obligatory use of a slag system of secondary rafter round beams which are cut into pediments . The roofing covering presses down rafters. They in turn press slags down. Slags arecut into pediments, which are continuation of walls, respectively, they press down the walls. In such a way the monolithic construction is formed, which doesn't give in to earthquakes or hurricanes. The traditional rafter roof made by the Russian technology, in contrast to the Norwegian one , doesn't withstand great wind loads.